A five-year-old post on X has become one of the most talked-about storylines of the 2026 FIFA World Cup. The tweet, posted by @actuallyimthe in July 2021, predicted that Argentina would beat Spain 3-2 in the 2026 World Cup final – an outcome that has now cleared its second-to-last hurdle.

Reigning champions Argentina came from behind to beat England 2-1 on Wednesday and reach their second World Cup final in a row, where they will face Spain.

Spain vs Argentina in the 2026 World Cup final pits Lamine Yamal against Lionel Messi, driving massive volume on crypto prediction markets like Polymarket.